Home / 28,364,898.36-42,541,126.74-8,165,753.40

Finding the Fourth Proportional to 28,364,898.36, 42,541,126.74 and 8,165,753.40

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Solution

The fourth proportional to 28,364,898.36, 42,541,126.74 and 8,165,753.40 is: 12,246,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364,898.36 : 42,541,126.74 = 8,165,753.40 : x
  2. Step 2: Convert to fraction form
    28,364,898.36/42,541,126.74 = 8,165,753.40/x
  3. Step 3: Cross multiply
    28,364,898.36x = 42,541,126.74 × 8,165,753.40
  4. Step 4: Simplify right side
    28,364,898.36x = 347,380,350,316,985.94
  5. Step 5: Solve for x
    x = 347,380,350,316,985.94/28,364,898.36
  6. Step 6: Final answer
    x = 12,246,839.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.